Home / 219,237,906.69-328,650,873.78-73,569,308.94

Finding the Fourth Proportional to 219,237,906.69, 328,650,873.78 and 73,569,308.94

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Solution

The fourth proportional to 219,237,906.69, 328,650,873.78 and 73,569,308.94 is: 110,284,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,237,906.69 : 328,650,873.78 = 73,569,308.94 : x
  2. Step 2: Convert to fraction form
    219,237,906.69/328,650,873.78 = 73,569,308.94/x
  3. Step 3: Cross multiply
    219,237,906.69x = 328,650,873.78 × 73,569,308.94
  4. Step 4: Simplify right side
    219,237,906.69x = 24,178,617,666,521,764
  5. Step 5: Solve for x
    x = 24,178,617,666,521,764/219,237,906.69
  6. Step 6: Final answer
    x = 110,284,840.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.